#include<iostream>
#include<string>
using namespace std;

int main() {
	char c;
	for (int i = 0; i < 5; i++) {
		c = getchar();
		if (c >= 65 && c < 97) {
			c = c + 32;
			putchar(c);
		}
		else {
			cout << c;
		}

	}
	return 0;
}
